Caple C871i Manual do Utilizador descarregar pdf (Página 202)

Apple II Computer Info

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ben16.unm.edu!buggie

From: [email protected] (stephen e buggie)

Newsgroups: comp.sys.apple2

Subject: How-to-Do-It: Transplant p.s. innards IIe-IIgs

Date: 23 Jan 1999 22:17:37 GMT

Organization: University of New Mexico, Albuquerque

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[email protected] January 23, 1999

APPLE II INTERNAL POWER SUPPLIES:

HOW TO TRANSPLANT THE IIE P.S. CIRCUITRY

INTO THE IIGS CASING

by Steve "Power Man" Buggie

Working IIe internal power supplies are abundant and cheap,

while IIgs power supplies are getting scarcer and scarcer. I sell

_external_ 150 watt "bugg-power" units for $27 plus $5 shipping;

201 of these units have been shipped since April 1996!

The IIe and IIgs internal power supplies use exactly the same

output voltages and color codes: BLACK = negative (two wires);

ORANGE = +5v DC; YELLOW = +12v DC, GREEN = -12vDC, BLUE = -5v DC.

The IIe unit is rated by Apple at about 35 watts and the IIgs unit is

rated by Apple at about 45 watts. The IIe units were made by Astec,

while the IIgs units were made either by Astec (heavy, steel casing),

or by DynaComp (lightweight brushed alumnum casing. The Dynacomp

IIgs p.s. is more prone to failure.

Still, for portability, the internal power supply remains

useful. I can do the work described below for you at nominal cost:

$12 plus $4 shipping for an outright sale. $6 plus shipping if you

mail me your dead IIgs power supply. $2.00 plus shipping if you send

me a GOOD IIE p.s. in addition to the dead IIgs p.s.

The transplant is easy enough that the ordinary "solder-slinging"

user can do this himself Here are step-by-step instructions. These

instructions apply to dead DYNACOMP IIgs power supplies --- I have

done the transplant successfully on two of these units. The ASTEC

IIgs p.s. has a different mounting arrangement for the circuit board.

I've looked at it, but have not yet done the transplant on the Astec

Apple II Computer Technical Information : Apple II Family Hardware Info

ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 202 of 572

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Caple C871i Manual do Utilizador Página 202

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